Essential Linux Commands: A Cheatsheet

Introduction

As a Cloud and DevOps engineer, mastering Linux commands is essential for efficiently managing and automating tasks within various cloud environments.

Linux commands form the backbone of system administration, allowing engineers to handle file operations, monitor system performance, manage network configurations, and execute complex automation scripts.

This guide provides a comprehensive overview of the key Linux commands that every Cloud and DevOps engineer should know, complete with examples and explanations to help you leverage the full potential of Linux in your daily operations.

File and Directory Operations

ls: Lists files and directories in the current directory.

ls -l 

The “-l” is for the Long format, showing additional file details

cd: Changes the current directory.

cd /path/to/directory

mkdir: Creates a new directory.

mkdir new_directory

rm: Removes files or directories.

rm filename

• -r: Recursively remove directories and their contents.